<template>
  <div class="cartcontrol">
    <transition name="move">
      <div class="cart-decrease" v-show="food.count>0" @click.stop.prevent="cartDecrease($event)">
        <span class="inner icon-remove_circle_outline"></span>
      </div>
    </transition>
    <div class="cart-count" v-show="food.count>0">{{food.count}}</div>
    <div class="cart-increase icon-add_circle" @click.stop.prevent="cartIncrease($event)"></div>
  </div>
</template>

<script type="text/ecmascript-6">
import Vue from 'vue'

export default {
  name: 'Cartcontrol',
  props: {
    food: {
      type: Object
    }
  },
  methods: {
    cartIncrease (event) {
      if (!event._constructed) {
        return
      }
      if (!this.food.count) {
        Vue.set(this.food, 'count', 1)
      } else {
        this.food.count += 1
      }
      this.$emit('increase', event.target)
    },
    cartDecrease (event) {
      if (!event._constructed) {
        return
      }
      if (this.food.count === 1) {
        Vue.set(this.food, 'count', 0)
      } else {
        this.food.count -= 1
      }
    }
  }
}
</script>

<style lang="stylus" type="stylesheet/stylus" scoped>
.cartcontrol
  font-size: 0
  .cart-decrease
    display: inline-block
    padding: 6px
    opacity: 1
    transform: translateX(0)
    .inner
      display: inline-block
      font-size: 24px
      line-height: 24px
      color: rgb(0, 160, 220)
      transition: all 0.4s linear
      transform: rotate(0)
    &.move-enter-active, &.move-leave-active
      transition: all 0.4s linear
    &.move-enter, &.move-leave-to
      opacity: 0
      transform: translateX(24px)
      .inner
        transform: rotate(180deg)
  .cart-count
    display: inline-block
    vertical-align: top
    line-height: 24px
    width: 12px
    padding-top: 6px
    font-size: 10px
    text-align: center
    color: rgb(147, 153, 159)
  .cart-increase
    display: inline-block
    font-size: 24px
    line-height: 24px
    padding: 6px
    color: rgb(0, 160, 220)
</style>
